package com.lagou.edu.interceptor;

import com.lagou.edu.pojo.Resume;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @ClassName: LoginInterceptor
 * @Auther: Jerry
 * @Date: 2020/7/19 13:48
 * @Desctiption: TODO
 * @Version: 1.0
 */
@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request,
                             HttpServletResponse response, Object handler) throws Exception {
        String requestURI = request.getRequestURI();
        if (requestURI.indexOf("/toLogin") >= 0 || requestURI.indexOf("/login") >= 0) {
            return true;
        }
        Resume user = (Resume) request.getSession().getAttribute("user");
        if (user != null) {
            return true;
        }
        request.setAttribute("msg", "您还没有登录，请先登录！");
        request.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(request, response);

        return false;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request,
                                HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
